Home / 40,428.77-55,791.60-22,523.60

Finding the Fourth Proportional to 40,428.77, 55,791.60 and 22,523.60

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Solution

The fourth proportional to 40,428.77, 55,791.60 and 22,523.60 is: 31,082.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,428.77 : 55,791.60 = 22,523.60 : x
  2. Step 2: Convert to fraction form
    40,428.77/55,791.60 = 22,523.60/x
  3. Step 3: Cross multiply
    40,428.77x = 55,791.60 × 22,523.60
  4. Step 4: Simplify right side
    40,428.77x = 1,256,627,681.76
  5. Step 5: Solve for x
    x = 1,256,627,681.76/40,428.77
  6. Step 6: Final answer
    x = 31,082.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.